Quartz fin heat retaining tube



FIG. 1: a perspective view of a quartz fin heat retaining tube.

FIG. 2: a top plan view thereof.

FIG. 3: a front elevational view thereof.

FIG. 4: a cross sectional view taken along line 4--4 in FIG. 3.

FIG. 5: a cross sectional view taken along line 5--5 in FIG. 3.

FIG. 6: a left side view thereof.

FIG. 7: a right side view thereof.

FIG. 8: a bottom plan view thereof.

FIG. 9: a rear elevational view thereof; and,

FIG. 10: a reference figure showing the using state. 

The ornamental design for a quartz fin heat retaining tube, as shown. 